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GTb 200 A
Recycling und Entsorgung
Bitte nutzen Sie zur Entsorgung des Produktes die
zur Verfügung stehenden Rückgabe- und Sammel-
systeme.
Änderungen vorbehalten!
ENGLISH
Introduction
Please read these operating instructions before using the
equipment for the fi rst time.
We provide a manufacturer's warranty for products bought
within the European Union. For devices purchased outside
the European Union, the warranty terms issued by our re-
spective responsible domestic agency are valid. The warranty
terms can be called up from www.blaupunkt.com.
Safety Notes
Please observe the following safety notes during the instal-
lation and connection.
–
Disconnect the negative pole of the battery! Observe the
safety notes of the vehicle manufacturer.
–
When you drill holes, ensure that you do not damage any
vehicle components.
–
If the positive and negative cable are extended, ensure
that the cross section is not less than 2.5 mm
–
An incorrect installation can result in malfunctions of the
electronic vehicle systems or your car sound system.
Installation and connection instructions
With respect to accident safety, the GTb 200 A must be
secured in a professional way.
When selecting the installation location, select a dry loca-
tion that offers sufficient air circulation for cooling the
amplifi er.
The GTb 200 A must not be installed on rear shelves, rear
seats or other locations that are open to the front.
The installation location must be suitable to accept the
accompanying screws and provide a firm support (see
page 28 / Fig. 1).
The amplifi er power cable must be fi tted with a fuse no more
than 30 cm from the battery to protect the vehicle battery in
case of a short circuit between power amplifi er and battery.
The fuse of the amplifi er protects only the amplifi er, not the
vehicle battery.
Switching on/off
One of the special features of the GTb 200 A is its automatic
switch-on.
The subwoofer box automatically switches on if a music
signal is received.
If there is no music signal for more than 60 seconds, the
GTb 200 A automatically switches off .
4
Connection (see page 29 / Fig. 2)
Connection
battery and connection
control of the GTb 200 A should ideally be a two-channel con-
trol, either via the preamplifi er outputs or the loudspeaker
outputs of the car sound system. A control solely via the right
or left channel is also possible since the low-frequency por-
tion of the music is generally identical on both channels.
The preamplifi er outputs are connected to the cinch (RCA)
sockets of the subwoofer box via a shielded sound cable.
With control via the loudspeaker outputs, the input connec-
tions of pos.
(front or rear) on the left and right. They are separated and
connected to the input connections. The polarity of the
+ or - connections must be observed. Bridge output stages
(BTL) can also be connected directly without an additional
adapter.
TIM function:
For car sound systems with activated TIM function, the
GTb 200 A must be controlled via the loudspeaker outputs
of the car sound system and not via the RCA inputs (see
page 29 / Fig. 2 of the operating instructions).
1
Input sensitivity
2
Phase position
3
Upper cut-off frequency
4
Connector cable
5
Preamplifi er inputs
6
+ Battery
7
- Ground
2
.
8
Left loudspeaker input
9
Right loudspeaker input
:
10 A fuse
;
Status display (Protect/Power)
Settings
The following control setting is recommended as basic set-
ting before putting the device into operation: Sensitivity
(gain) Pos.
over) Pos.
select a musical piece with distinctive bass playback.
Increase the volume of your stereo system to the desired
volume level. Now slowly increase the gain control
you can hear a clear amplifi cation of the bass level. Next, use
the crossover control
a well-contoured bass. You may have to alternately optimise
the gain control setting
A droning bass with excessive volume requires a fi lter setting
with a low frequency.
The phase switch must be set so that the bass is integrated
into the acoustic pattern as best as possible and not recog-
nisable as an individual source.
Also check your settings of the GTb 200 A with the bass con-
trol fully open and, if necessary, with activated loudness. An
overloading of the subwoofer box by selecting an excessive
amplifi cation (pos.
damage the loudspeaker.
6
is connected to the positive pole of the
7
to negative vehicle ground. The
8
9
/
are fed to the closest loudspeaker cables
1
to minimum, phase Pos.
3
to approx. 80 Hz. Switch on the device and
3
to select a fi lter setting that provides
1
and the fi lter setting
1
) results in a distorted playback and can
2
to 0°, fi lter (cross-
1
until
3
.
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